锅炉炉膛出口烟温偏差给安全经济运行带来危害。

Deviation of flue gas temperature at furnace exit may bring about harm to the safety and economic operation of the boiler.

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讨论了四角切圆燃烧锅炉炉膛出口烟温偏差的原因，提出了消除偏差措施的设想。

Discussing the cause of flue gas temperature difference at furnace outlet in 4 corners tangentially coal fired boilers and proposing measures to eliminate such difference.

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同时，还研究了煤粉细度与炉膛出口烟温、飞灰磨损的关系，得出了一些有意义的结论。

Meanwhile, the relations between finenesses of coal_dust, temperatures of flue gas at boiler exit and fly ash erosion are studied.

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